The lost vent gastropod species of Lothar A. Beck Author Chen, Chong X-STAR, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2 - 15 Natsushima-cho, Yokosuka, Kanagawa, 237 - Author Sigwart, Julia D. 0000-0002-3005-6246 Department of Marine Zoology, Senckenberg Research Institute and Museum, Frankfurt, Germany. https: // orcid. org / 0000 - 0002 - 3005 - 6246 text Zootaxa 2023 2023-04-21 5270 3 401 436 http://dx.doi.org/10.11646/zootaxa.5270.3.2 journal article 254442 10.11646/zootaxa.5270.3.2 76fd901b-c59f-4359-80de-3152f3106133 1175-5326 7860042 4CFC5DA2-DB30-4EEA-9148-EC041709C6A1

TABLE 2. Shell measurements of type specimens.

Specimen	Museum No.	Shell Length (mm)	Shell Width (mm)	Shell Height (mm)
Bathyacmaea nadinae sp. nov. Beck
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Holotype	MNHN-IM-2000-38676	23.0	18.9	8.3
Paratype 1	MNHN-IM-2000-38677	17.7	14.2	6.7
Paratype 2	NSMT-Mo 79402	16.0	12.5	5.9
Paratype 3	NSMT-Mo 79403	11.0	8.3	3.2
Paratype 4	SMF 370350	11.1	8.2	3.4
Paratype 5	SMF 370351	8.1	6.0	2.3
Pyropelta ovalis sp. nov. Beck
Holotype	MNHN-IM-2000-38678	5.4	3.6	1.0
Paratype 1	MNHN-IM-2000-38679	5.2	3.7	1.2
Paratype 2	NSMT-Mo 79406	5.5	3.8	0.9
Paratype 3	NSMT-Mo 79407	5.1	3.6	1.0
Paratype 4	SMF 370354	3.1	2.2	0.9
Paratype 5	SMF 370355	Fragmented	Fragmented	Fragmented
Pseudorimula leisei sp. nov. Beck
Holotype	MNHN-IM-2000-38680	4.2	3.0	1.6
Paratype 1	MNHN-IM-2000-38681	4.9	3.7	1.7
Paratype 2	NSMT-Mo 79410	3.2	2.6	1.2
Paratype 3	NSMT-Mo 79411	4.4	3.1	1.7
Paratype 4	SMF 370357	4.7	3.6	2.0
Paratype 5	SMF 370358	2.7	2.4	1.1
Lepetodrilus fijiensis sp. nov. Beck
Holotype	MNHN-IM-2000-38682	11.0	8.3	4.0
Paratype 1	MNHN-IM-2000-38683	6.5	4.7	2.3
Paratype 2	MNHN-IM-2000-38684	8.4	6.5	3.1
Paratype 3	MNHN-IM-2000-38685	6.8	4.9	2.5
Paratype 4	MNHN-IM-2000-38686	8.5	6.4	3.1
Paratype 5	MNHN-IM-2000-38687	7.2	5.2	2.8
Paratype 6	NSMT-Mo 79413	9.4	7.0	3.8
Paratype 7	NSMT-Mo 79414	8.6	6.5	3.7
Paratype 8	NSMT-Mo 79415	8.1	6.2	3.0
Paratype 9	NSMT-Mo 79416	7.1	5.5	2.5
Paratype 10	NSMT-Mo 79417	5.4	3.8	1.8
Paratype 11	SMF 370360	9.3	6.8	3.1
Paratype 12	SMF 370361	8.0	6.3	2.9
Paratype 13	SMF 370362	7.3	6.1	2.7
Paratype 14	SMF 370363	8.3	6.3	3.4
Paratype 15	SMF 370364	5.6	4.1	1.9
Shikailepas conspira sp. nov. Beck
Holotype	MNHN-IM-2000-38688	21.3	19.0	9.0
Paratype 1	MNHN-IM-2000-38689	20.3	17.7	7.2
Paratype 2	NSMT-Mo 79422	16.8	14.5	6.7
Paratype 3	NSMT-Mo 79423	7.7	5.8	3.1
Paratype 4	SMF 370381	20.5	18.9	8.4
Paratype 5	SMF 370382	8.8	7.6	2.8
Symmetromphalus mcleani sp. nov. Beck
Holotype	MNHN-IM-2000-38690	7.1	4.2	2.0
Paratype 1	MNHN-IM-2000-38691	5.9	3.8	2.0
Paratype 2	MNHN-IM-2000-38692	1.3	1.0	0.4
Paratype 3	NSMT-Mo 79425	4.9	4.1	1.7
Paratype 4	NSMT-Mo 79426	3.5	2.5	1.3
Paratype 5	SMF 370385	6.8	4.3	2.3
Paratype 6	SMF 370386	3.7	2.8	1.5
Symmetriapelta wareni gen. et sp. nov. Beck
Holotype	MNHN-IM-2000-38693	4.1	2.8	1.5
Paratype 1	MNHN-IM-2000-38694	4.0	2.9	1.2
Paratype 2	MNHN-IM-2000-38695	Fragmented	Fragmented	Fragmented
Paratype 3	NSMT-Mo 79429	3.6	1.9	1.2
Paratype 4	NSMT-Mo 79430	3.3	2.2	1.3
Paratype 5	SMF 370390	4.1	2.8	1.7
Paratype 6	SMF 370391	3.2	2.0	1.1